Thanks to further development in the tactical area too, the new Deep Rybka 4 will be indispensable for all those who work and analyse with chess engines. The new multiprocessor version Deep Rybka 4 calculates much faster than the single-core version: when you double the number of processors, Rybka's speed increases by a factor of 1.7! Deep Rybka 4 is delivered with the new user-friendly Fritz 12 interface and contains a database of 1.5 million games and includes CLASSIC membership for playchess.com for one year.
Minimum: Pentium III 1 GHz, 512 MB RAM, Windows Vista, XP (Service Pack 3), DirectX9 graphics card with 256 MB RAM, DVD-ROM drive, Windows-Media Player 9, internet access (playchess.com, updates and activation).
Recommended: PC Intel Core 2 Quad, 2.4 GHz, 3 GB RAM, Windows Vista or Windows 7, DirectX10 graphics card (or compatible) with 512 MB RAM or more, 100% DirectX10 compatible, sound card, Windows Media Player 11, DVD ROM drive and internet access (playchess.com, updates and activation). The activation of the program requires internet access.